| Business | Phone |
| State & Local Tax Advisors 2549 W Golf Rd 330, Schaumburg 60194 | (847) 382-1460 |
| Professional Office Svc Inc 206 Bright Ridge Dr, Schaumburg 60194 | (847) 781-1606 |
| Trellis Health Parters 1721 Moon Lake Blvd 500, Schaumburg 60194 | (847) 885-1675 |
| M & M Consulting Schaumburg 60195 | (847) 359-4881 |